Comparison: Kumho Solus HA31 vs. Cooper Discoverer All Season (2026)

In this comparison, we are comparing a tyre from a manufacturer from South Korea (Kumho) against a tyre from a manufacturer from USA (Cooper). Generally, Kumho allround tyres are slightly better rated (63%) than Cooper (20%). The first tyre test of Kumho Solus HA31 was done in 2016, compared to 2019 when was the Cooper Discoverer All Season first tested. Important for this comparison is also the Autobild 2019 225/45 R17 test, where both the Solus HA31 and the Discoverer All Season were tested. See more mutual tests below. When it comes to comparison, eu labels can be also interesting - 100% of Kumho Solus HA31 has C wet grip rating, whereas 100% of Cooper Discoverer All Season has B rating.